Removal Of Voltage Transformers Type 4Mu4 From The Busbar - Siemens 8DB10 Installation And Operating Instructions Manual

864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
NOTE
If you remove the voltage transformer, the silicone adapter may fall out of the voltage
transformer.
➭ Keep the silicone adapter carefully for later use.
➭ Clean the silicone adapter and the outside-cone bushing carefully using a cleaning agent
without solvents and a lint-free cloth.
➭ Protect the connection socket of the voltage transformer against damages and pollution
using a suitable cover.
➭ For voltage tests: Close the outside-cone bushing at the busbar housing with a surge-proof
cap and protect it against damages and pollution.
27.2

Removal of voltage transformers type 4MU4 from the busbar

➭ Isolate and earth the busbar.
➭ Verify safe isolation from supply.
➭ Remove the low-voltage plug connection.
➭ Remove the 4 fixing bolts M8x35 of the fixing brackets at the voltage transformer
mounting plate.
Fig. 116: Removing the fixing bolts at the voltage transformer mounting plate
➭ Lift the voltage transformer at the upper crane eyes using a suitable rod (e.g. steel rod).
Installation
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